DR. YEN-RUH WUU MD
NPI 1982280459
Radiology - Radiation Oncology in Livingston, NJ

NPI Status: Active since March 23, 2021

Contact Information

94 OLD SHORT HILLS RD
LIVINGSTON, NJ
ZIP 07039
Phone: (973) 322-5630

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Radiology
Radiation Oncology

About YEN-RUH WUU

This page provides the complete NPI Profile along with additional information for Yen-ruh Wuu, a provider established in Livingston, New Jersey with a medical specialization in Radiology, focusing in radiation oncology . The healthcare provider is registered in the NPI registry with number 1982280459 assigned on March 2021. The practitioner's primary taxonomy code is 2085R0001X with license number 25MA13037500 (NJ). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI: 1982280459
Provider Name: DR. YEN-RUH WUU MD
Gender: Male
Entity Type: Individual
Location Address: 94 OLD SHORT HILLS RD LIVINGSTON, NJ 07039
Location Phone: (973) 322-5630
Mailing Address: 94 OLD SHORT HILLS RD LIVINGSTON, NJ 07039
Is Sole Proprietor?: No
Enumeration Date: 03-23-2021
Last Update Date: 05-05-2026
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Location Map

Secondary Locations

300 Community Dr
Manhasset, NY 11030
(516) 562-0100

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification: Radiology Radiation Oncology
Taxonomy Code: 2085R0001X
Type: Allopathic & Osteopathic Physicians
License No.: 25MA13037500
License State: NJ
Taxonomy Description: A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	390200000X	Student, Health Care	Student in an Organized Health Care Education/Training Program

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1982280459, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 4

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

Target digit

Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 2 → 4 0 → 0 5 → 10 → 1